I hate that the Dodgers play "I Love L.A." when we win. Despite the title Randy Newman doesn't actually love L.A. It's an ironic thing. We might as well just play "Los Angeles" by X after we win.
After devoting all of six seconds to thinking, I realized that there really isn't that many songs that paint L.A. in a positive light. If we lower our expectations for songs though, whole new avenues open up. I suggest "Moving To L.A." by Art Brut as the Dodgers new victory song.
Yeah, he's not all that enthusiastic about coming here, but he's at least considering a move to L.A. That's not too bad.